There are various synonyms for the term "royal tennises" which denotes a game of tennis played by royalty. The most commonly used synonym is "real tennis", which is the original form of the game played indoors on a specific court with peculiar playing rules. Another synonym is "court tennis", which also refers to the original form of the game played in a royal court. "Jeu de paume" is another synonym for royal tennis, which means "game of the palm" in French and is a precursor of tennis. Lastly, "rackets" or "hard court tennis" can also be used to describe the game of royal tennises.